drilling mud desander in Colombia

The steps before a desander is used are numerous and differ depending on the industry that is utilizing the drilling fluid recovery. Generally, colorfully named tools such as gas busters, gumbo removal equipment, shale shakers, mud cleaners and vacuum degassers are all used to break down the fluid to the stage where the desander can remove small grains. After the desander is utilized, many industries also use a desilter to further purify the liquid.

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A desander is an important part of the mining and drilling process. This simple container helps filter out grainy solids from drilling liquid, often in mud form, that is brought up from a drilling hole. Located close to the end of the entire purification process, but not the last step, desanding is renowned for its simplicity and lack of moving parts. Its effectiveness has seen this technique adapted into many industries.

Many times when drilling and mining occurs, drilling fluids are required to aid in the process of finding the underground target. For example, when drilling for natural gas pockets, a drill bit can easily get hot and melt or break from stress. When a drilling fluid is added to the hole, it helps cool the bit and keep it together, saving the drilling team a large amount of time. Recovering the drilling fluid is a multi-step process of purification, and the desander is a small part of this.

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When drilling fluid reaches desander, it enters through a pressurized tube and first meets the desander cone. This conical shape spins the fluid in a way that is similar the way water flows in a draining sink, except that the walls of desander cones are porous and allow sand grains to be filtered out. There are no moving parts of a desander, and the removal of grains is done exclusively by gravity and pressure. A desander generally is not a large tool; on smaller operations, it can be about the size of a bathtub, and it rarely gets larger than an average automobile. When the fluid reaches the small end of the cone, it is forced out a tube and on to the next step of the purification process.

This type of work generally is utilized by the petroleum industry. Other industries also use desander, mostly those dealing with drilling and mining for substances such as natural gas etc.